乙烯通入溴水

从三年1班调5个同学到三年2班,那么两个班人数相等,原来三1班比三2班多多少人? 运用对偶的知识拟出下联运用对偶的知识,给下面短语拟出下联（任选两题）1、望梅止渴2、山清水秀3、日出日落4、海枯石烂 1.I____some books this evening.A.read B.am going to read C.am read2.____you___a cat?A.Are,got B.Have,get C.Have,got3.This stamp___from China.A.are B.is C.does1.This is my ____(one) day in Beijing1.I often do my homework.(改为一般疑问句）2.I c A:1.___________ are you goingB:I am going to Beijing.A:2.____do you want to do there?B:I want to visit all the famous places.A:Did you go there before?B:No,I 3.____.It is my 4.____time to 5._____thereA:6.____________a good timeB:Thank you 小学六年级英语题,急急急~ 高手们帮忙啊—Have you got any trouble with Chinese when you are in Beijing,Tom?Tom：No,I don't.But the Chinese do!1、请翻译以上句子.2、根据以上内容,判断下列句子正误,对写T、错写F The film begins on Monday.（对on Monday画线）The day after tomorrow is my brithday.（对after tomorrow画线）There is one glass of coke on the table (对one画线）He has a cake for his brithday.（对a cake画线） 8.三角形的三边长为(a+b)²=c²+2ab ,则这个三角形是( ) 砖厂有一砖,上午运走总数的40％,下午运走2000块正好运完.下午比上午多运（）块算式 砖厂有一批砖,上午运走总数的40%,下午运走18000块正好运完.下午比上午多运多少块? 近义词谁知道啊?六年级的沮丧（ ） 魁梧（ ） 介意 （ ） 张皇（ ） 顾惜（ ） 张罗（ ）割舍（）奥秘（ ） 砖瓦厂有一批砖,上午运走总数的40%,下午运走18000块正好运完,上午比下午少运多少 上午运了一批砖的40%,下午运了12000块,正好运完.上午运了多少块? 一家旅店 开业酬宾 住店打折50％ 有3人间 每间150元 双人间 每间140元 现住50人一家旅店 开业酬宾 住店打折50％ 有3人间 每间150元 双人间 每间140元 现住50人 营业额为1510 问 这50人住了几间3人 1.（）was on may 20th .2008( ) i left my home to and went to uk A it that B it when Cthat when Dthat that 2.the factory produced ( )trucks in 2010 as 3 years beforeAas twice many Bas many twice C twice as manyDtwice as many3.the big fire was finall 四道高中英语单选.别光给我答案.1、People can't afford to buy expensive things _____the price of daily goods going up.A、asB、forC、withD、since这四个我觉得没有什么区别啊.2、I could feel the ground ____when the earthqua 高中英语单选(4道）求讲解1.Mr.Bush,have you read the novel Yes.When I was studying in Beijing University,I___it.A.read B.have read C.would read D.had read A 为什么不选B?2.The exhibit is on view here for three months ,after____it will t 设随机变量x~n(0,1),x的分布函数为Φ(x),则p{|x|>2}的值为A .2[1-Φ(2)] B .2Φ(2)-1 C.2-Φ(2) D.1-2Φ(2) 设X~N（0,1）,分布函数为Φ（x）,且P（X>x）=a∈（0,1）,则X为 设随机变量ζ服从N(0,1),ζ的分布函数ф(X),则P(|ζ|>2的值为多少 ? 设X~N(0,1),F(x)是X的分布函数,求F(0) sat math 看图红色部分是 x#100 如题、校园歌曲用英语怎么说?用music in school可不可以啊. a little love是不是英文校园歌曲 一个函数,要找它的不可导点,一般要从哪几个方面入手呢?我知道1、不连续的点肯定是不可导点 2、分段函数在分界处可能为不可导点,请问还有别的吗? 谁有茅坤的《夜泊钱塘》的赏析? 阅读理解 《这条小鱼在乎》在暴风雨后的一个早晨,一个男人来到海边散步.他一边沿海边走着,一边注意到,在沙滩的浅水洼里,有许多被昨夜的暴风雨卷上岸来的小鱼.它们被困在浅水洼里,回 a SAT math questionon a square gameboard that is divided into n rows of n squares each ,k of these square lie along the boundry of the gameboard.which of the following is a possible value for 1025344252 sat math question in the xy plane,line L passes through the origin and is perpendicular to line 4x + y=k,where k is a constant.if two line intersects at the point (t,t+1),whats the value of t>? math question.200pointsLet T denote the temperature at time t.If the temperature is decreasing,is the rate of coling .The great temperature variation during a twelve-hour period occurred in Montana in 1916.When the temperature dropped from 44 to chil 英语翻译钱塘江潮,视天下为独大.然至八月既望,观者特盛.弄潮之人,率常先一月,立帜通衢,书其名氏以自表.市井之人相与裒金帛张饮,其至观潮日会江上,视登潮之高下者,次第给与之.潮至海门, 明太祖叫什么名字 在函数√x²-1中,自变量x的取值范围RT 求在函数根号下x方减一中,自变量x的取值范围